*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f7f2e8;
  --text: #1a1a18;
  --muted: #76736c;
  --border: rgba(49, 95, 37, 0.45);
  --accent: #5f8f49;
  --accent-soft: rgba(95, 143, 73, 0.12);
  --accent-deep: #315f25;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Shippori Mincho', serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 54px;
  padding: 0 2.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(247, 242, 232, 0.94);
  border-bottom: 1px solid var(--accent);
}

.site-name {
  color: var(--accent-deep);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  font-weight: 600;
}

nav {
  display: flex;
  gap: 1.6rem;
}

nav a {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-weight: 600;
  transition: color 0.2s;
}

nav a.active,
nav a:hover {
  color: var(--accent-deep);
}

.page-heading {
  font-family: 'Cormorant', serif;
  font-weight: 500;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  letter-spacing: 0.06em;
  margin-bottom: 3.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--accent);
  color: var(--accent-deep);
}

.readings-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: calc(54px + 8vh) 2.8rem 10vh;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.readings-wrap::before,
.reading-main::before {
  content: "Readings";
  position: absolute;
  font-family: 'Cormorant', serif;
  font-size: clamp(4.5rem, 13vw, 11rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: rgba(49, 95, 37, 0.045);
  pointer-events: none;
  z-index: 0;
}

.readings-wrap::before {
  top: 7rem;
  left: -5rem;
}

.readings-inner,
article {
  position: relative;
  z-index: 1;
}

.reading-note-label {
  font-size: 0.73rem;
  letter-spacing: 0.32em;
  color: var(--accent-deep);
  text-align: center;
  margin: -1.4rem 0 2.4rem;
}

.reading-search-wrap {
  max-width: 520px;
  margin: 0 auto 2.4rem;
}

.reading-search-row {
  display: flex;
  gap: 0.6rem;
}

.reading-search {
  flex: 1;
  background: rgba(95, 143, 73, 0.10);
  border: 1px solid var(--accent);
  padding: 0.85rem 1rem;
  font-family: 'Shippori Mincho', serif;
  font-size: 0.86rem;
  color: var(--text);
  letter-spacing: 0.06em;
  outline: none;
}

.reading-search:focus {
  border-color: var(--accent-deep);
  background: rgba(95, 143, 73, 0.16);
}

.reading-search::placeholder {
  color: rgba(49, 95, 37, 0.65);
}

.reading-search-button {
  border: 1px solid var(--accent-deep);
  background: var(--accent-deep);
  color: var(--bg);
  padding: 0.85rem 1.1rem;
  font-family: 'Shippori Mincho', serif;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  cursor: pointer;
}

.reading-search-button:hover {
  background: var(--accent);
}

.reading-search-count {
  margin-top: 0.7rem;
  text-align: center;
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.12em;
}

.reading-list-item {
  display: block;
  width: 100%;
  text-align: center;
  border-top: 1px solid var(--border);
  padding: 2.4rem 1rem;
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 2;
  transition: background 0.2s, color 0.2s;
}

.reading-list-item:last-of-type {
  border-bottom: 1px solid var(--border);
}

.reading-list-item:hover {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.reading-list-item.is-hidden {
  display: none;
}

.reading-author-inline {
  white-space: nowrap;
}

.reading-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 8.5rem 2.2rem 7rem;
  position: relative;
  overflow: hidden;
}

.reading-main::before {
  top: 5.8rem;
  left: -4.5rem;
}

.reading-label {
  color: var(--accent-deep);
  font-size: 0.76rem;
  letter-spacing: 0.28em;
  margin-bottom: 2.6rem;
  text-align: center;
}

.reading-label::after {
  content: "弓木あきが読む。";
  display: block;
  margin-top: 1.4rem;
  font-family: 'Shippori Mincho', serif;
  font-size: 0.73rem;
  letter-spacing: 0.32em;
  color: var(--accent-deep);
  font-weight: 500;
}

.reading-poem {
  color: var(--text);
  font-size: clamp(1.35rem, 3.1vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 2;
  text-align: center;
  margin-bottom: 1rem;
}

.reading-author {
  display: block;
  color: var(--text);
  font-size: clamp(1.35rem, 3.1vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 2;
  text-align: center;
  margin-bottom: 4rem;
  white-space: nowrap;
}

.reading-body {
  border-top: 1px solid var(--border);
  padding-top: 3.2rem;
  color: #1f1f1b;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 2.25;
}

.reading-body p {
  margin-bottom: 1.65rem;
}

.reading-nav {
  margin-top: 4.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.reading-nav a {
  color: var(--accent-deep);
  border-bottom: 1px solid var(--accent);
}

footer {
  text-align: center;
  padding: 0 2.8rem 3rem;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.15em;
}

@media (max-width: 640px) {
  header {
    padding: 0 0.9rem;
    height: 50px;
    gap: 0.8rem;
    overflow: hidden;
  }

  .site-name {
    font-size: 0.78rem;
    flex: 0 0 auto;
    white-space: nowrap;
  }

  nav {
    gap: 0.85rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex: 1 1 auto;
    justify-content: flex-start;
    padding: 0.2rem 0;
  }

  nav::-webkit-scrollbar {
    display: none;
  }

  nav a {
    font-size: 0.62rem;
    letter-spacing: 0.05em;
    white-space: nowrap;
    flex: 0 0 auto;
  }

  .readings-wrap {
    padding: calc(50px + 4vh) 1.4rem 6vh;
  }

  .readings-wrap::before,
  .reading-main::before {
    top: 5.5rem;
    left: -2rem;
    font-size: clamp(4rem, 22vw, 7rem);
    color: rgba(49, 95, 37, 0.04);
  }

  .page-heading {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    margin-bottom: 2.5rem;
  }

  .reading-search-row {
    gap: 0.45rem;
  }

  .reading-search {
    font-size: 0.82rem;
    padding: 0.78rem 0.8rem;
  }

  .reading-search-button {
    font-size: 0.72rem;
    padding: 0.78rem 0.85rem;
    letter-spacing: 0.08em;
  }

  .reading-list-item {
    font-size: 1rem;
    letter-spacing: 0.08em;
    line-height: 2;
    padding: 1.9rem 0.6rem;
  }

  .reading-main {
    padding: 6.8rem 1.2rem 5rem;
  }

  .reading-label {
  margin-bottom: 2.3rem;
}

.reading-label::after {
  margin-top: 1.2rem;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
}

  .reading-poem {
    font-size: 1.22rem;
    letter-spacing: 0.08em;
  }

  .reading-author {
  font-size: 1.22rem;
  letter-spacing: 0.08em;
  margin-bottom: 3rem;
  }

  .reading-body {
    padding-top: 2.6rem;
    font-size: 0.88rem;
    line-height: 2.12;
  }

  .reading-nav {
    display: block;
  }

  .reading-nav a {
    display: inline-block;
    margin: 0 1.2rem 1rem 0;
  }

  footer {
    padding: 0 1.2rem 2.4rem;
  }
}